自己写得串口多线程控制程序，里面的超时设置和书上说得不是很一样，大家参考吧...

Simple UART with 8x clock

RS232 C51的通讯程序,根据自己的需要稍做修改,就可以使用了.-RS232 C51" s communication procedures, according to their own needs minor changes, you can use.

This the source code for I2C(Inter Integreted Circuit) which is used in serial communication-This is the source code for I2C(Inter Integreted Circuit) which is used in serial communication

rc522DEMO带串口通信，可用于参考设计，带有调试软件-rc522DEMO with serial communication, can be used for reference design, with debugging software

这是本人在网上下载的关于深入浅出VC++串口编程之基于Win32 API的教程-This is my downloading on the plain language VC++ Serial programming based on the Win32 API tutorial

用从c++编写的串口通信程序，内有详细的了解并设置串口参数的源码，并含通信原理-prepared from the use of serial communication program, with detailed understanding of serial port parameters and set up the source code, and communication with Principle

多线程在VC++串口通信程序中的应用.pdf -multithread serial communication in VC procedures for the application. Pdf multithread serial communication in VC procedures for the application . pdf

串口通信PC机应用程序-PC serial communication applications

Delphi编写的串口测试程序，适合测试计算机串口好坏！-Delphi serial test procedure for the testing of computer Serial good or bad!

rs485通信协议的规定，定义了串行通信协议中传输的信息内容及使用格式，可以参考-rs485 communication protocol requirements, defines the serial communication protocol to transmit the information content and the use of format